MCQOPTIONS
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MCQOPTIONS
This section includes 10 Mcqs, each offering curated multiple-choice questions to sharpen your Strength of Materials knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Find the strain of a brass rod of length 100mm which is subjected to a tensile load of 50kN when the extension of rod is equal to 0.1mm? |
| A. | 0.01 |
| B. | 0.001 |
| C. | 0.05 |
| D. | 0.005 |
| Answer» C. 0.05 | |
| 2. |
Some structural members subjected to a long time sustained loads deform progressively with time especially at elevated temperatures. What is such a phenomenon called? |
| A. | Fatigue |
| B. | Creep |
| C. | Creep relaxation |
| D. | Fracture |
| Answer» C. Creep relaxation | |
| 3. |
A rod 200cm long is subjected to an axial pull due to which it elongates about 2mm. Calculate the amount of strain? |
| A. | 0.001 |
| B. | 0.01 |
| C. | 0.02 |
| D. | 0.002 |
| Answer» B. 0.01 | |
| 4. |
A solid cube is subjected to equal normal forces on all its faces. The volumetric strain will be x-times the linear strain in any of the three axes when? |
| A. | X=1 |
| B. | X=2 |
| C. | X=3 |
| D. | X=4 |
| Answer» D. X=4 | |
| 5. |
The unit of force in S.I. units is ? |
| A. | Kilogram |
| B. | Newton |
| C. | Watt |
| D. | Dyne |
| Answer» C. Watt | |
| 6. |
The lateral strain is ___________ |
| A. | The ratio of axial deformation to the original length |
| B. | The ratio of deformation in area to the original area |
| C. | The strain at right angles to the direction of applied load |
| D. | The ratio of length of body to the tensile force applied on it |
| Answer» D. The ratio of length of body to the tensile force applied on it | |
| 7. |
A tensile test was conducted on a steel bar. The gauge length of the bar was 10cm and the extension was 2mm. What will be the percentage elongation? |
| A. | 0.002 |
| B. | 0.02 |
| C. | 0.2 |
| D. | 2 |
| Answer» E. | |
| 8. |
i) Strain is a fundamental behaviour of a material.
|
| A. | Both i and ii are true and ii is the correct explanation of i |
| B. | Both i and ii ate true but ii is not the correct explanation of i |
| C. | i is true but ii is false |
| D. | ii is true but i is false |
| Answer» C. i is true but ii is false | |
| 9. |
A tensile test was conducted on a mild steel bar. The diameter and the gauge length of bat was 3cm and 20cm respectively. The extension was 0.21mm. What is the value to strain? |
| A. | 0.0010 |
| B. | 0.00105 |
| C. | 0.0105 |
| D. | 0.005 |
| Answer» C. 0.0105 | |
| 10. |
What is tensile strain? |
| A. | The ratio of change in length to the original length |
| B. | The ratio of original length to the change in length |
| C. | The ratio of tensile force to the change in length |
| D. | The ratio of change in length to the tensile force applied |
| Answer» B. The ratio of original length to the change in length | |